Psychology and mental health

The characteristics of spondyloarthropathy in Pan enables to distinguish between sexual transmission and infectious-agent diarrhea transmission as disease vectors, and to identify the latter as the predominant cause of this disease in nonhuman primates. The macerated skeletons of 139 adult Pan paniscus, Pan troglodytes troglodytes and Pan troglodytes schweinfurthii is macroscopically analyzed for osseous and articular pathologies.

A study presents behavioral details and an acoustic analysis regarding an observation of food sharing between unrelated adult wild chimpanzees. Suggestions reveal that food sharing might have served to reinforce the nature of relationship between the two individuals.